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bgpp_types.go
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bgpp_types.go
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// SPDX-License-Identifier: Apache-2.0
// Copyright Authors of Cilium
package v2alpha1
import (
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
slimv1 "github.com/cilium/cilium/pkg/k8s/slim/k8s/apis/meta/v1"
)
// +genclient
// +genclient:nonNamespaced
// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
// +kubebuilder:resource:categories={cilium,ciliumbgp},singular="ciliumbgppeeringpolicy",path="ciliumbgppeeringpolicies",scope="Cluster",shortName={bgpp}
// +kubebuilder:printcolumn:JSONPath=".metadata.creationTimestamp",name="Age",type=date
// +kubebuilder:storageversion
// CiliumBGPPeeringPolicy is a Kubernetes third-party resource for instructing
// Cilium's BGP control plane to create virtual BGP routers.
type CiliumBGPPeeringPolicy struct {
// +deepequal-gen=false
metav1.TypeMeta `json:",inline"`
// +deepequal-gen=false
metav1.ObjectMeta `json:"metadata"`
// Spec is a human readable description of a BGP peering policy
//
// +kubebuilder:validation:Optional
Spec CiliumBGPPeeringPolicySpec `json:"spec,omitempty"`
}
// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
// +k8s:openapi-gen=false
// +deepequal-gen=false
// CiliumBGPPeeringPolicyList is a list of
// CiliumBGPPeeringPolicy objects.
type CiliumBGPPeeringPolicyList struct {
metav1.TypeMeta `json:",inline"`
metav1.ListMeta `json:"metadata"`
// Items is a list of CiliumBGPPeeringPolicies.
Items []CiliumBGPPeeringPolicy `json:"items"`
}
// CiliumBGPPeeringPolicySpec specifies one or more CiliumBGPVirtualRouter(s)
// to apply to nodes matching it's label selector.
type CiliumBGPPeeringPolicySpec struct {
// NodeSelector selects a group of nodes where this BGP Peering
// Policy applies.
//
// If nil this policy applies to all nodes.
//
// +kubebuilder:validation:Optional
NodeSelector *slimv1.LabelSelector `json:"nodeSelector"`
// A list of CiliumBGPVirtualRouter(s) which instructs
// the BGP control plane how to instantiate virtual BGP routers.
//
// +kubebuilder:validation:Required
// +kubebuilder:validation:MinItems=1
VirtualRouters []CiliumBGPVirtualRouter `json:"virtualRouters"`
}
// CiliumBGPNeighbor is a neighboring peer for use in a
// CiliumBGPVirtualRouter configuration.
type CiliumBGPNeighbor struct {
// PeerAddress is the IP address of the peer.
// This must be in CIDR notation and use a /32 to express
// a single host.
//
// +kubebuilder:validation:Required
// +kubebuilder:validation:Format=cidr
PeerAddress string `json:"peerAddress"`
// PeerASN is the ASN of the peer BGP router.
// Supports extended 32bit ASNs
//
// +kubebuilder:validation:Required
// +kubebuilder:validation:Minimum=0
// +kubebuilder:validation:Maximum=4294967295
PeerASN int `json:"peerASN"`
}
// CiliumBGPVirtualRouter defines a discrete BGP virtual router configuration.
type CiliumBGPVirtualRouter struct {
// LocalASN is the ASN of this virtual router.
// Supports extended 32bit ASNs
//
// +kubebuilder:validation:Required
// +kubebuilder:validation:Minimum=0
// +kubebuilder:validation:Maximum=4294967295
LocalASN int `json:"localASN"`
// ExportPodCIDR determines whether to export the Node's private CIDR block
// to the configured neighbors.
//
// +kubebuilder:validation:Optional
ExportPodCIDR bool `json:"exportPodCIDR"`
// ServiceSelector selects a group of load balancer services which this
// virtual router will announce.
//
// If nil no services will be announced.
//
// +kubebuilder:validation:Optional
ServiceSelector *slimv1.LabelSelector `json:"serviceSelector"`
// Neighbors is a list of neighboring BGP peers for this virtual router
//
// +kubebuilder:validation:Required
// +kubebuilder:validation:MinItems=1
Neighbors []CiliumBGPNeighbor `json:"neighbors"`
}